| Let's do some math .. Rounding examples of 7 random hypothetical purchases: | ||||||
| Case | Tag Price |
Sales Tax % |
Raw Total Incl. Sales Tax |
Rounded to Penny |
Rounded to Nickel |
Rounded to Dime |
| Purchase #1 | $19.32 | 9.176% | $21.0928 | $21.09 | $21.10 | $21.10 |
| Purchase #2 | $46.61 | 7.521% | $50.1155 | $50.12 | $50.10 | $50.10 |
| Purchase #3 | $85.81 | 6.150% | $91.0873 | $91.09 | $91.10 | $91.10 |
| Purchase #4 | $186.78 | 12.531% | $210.1854 | $210.19 | $210.20 | $210.20 |
| Purchase #5 | $164.42 | 3.482% | $170.1451 | $170.15 | $170.15 | $170.10 |
| Purchase #6 | $102.81 | 11.653% | $114.7904 | $114.79 | $114.80 | $114.80 |
| Purchase #7 | $25.97 | 9.852% | $28.5286 | $28.53 | $28.55 | $28.50 |
| 7 purchase totals = | $631.72 | $685.9451 | $685.96 | $686.00 | $685.90 | |